scheme which is more compatible with WinGDB builds.
* configure.in: Improve comment on how to run autoconf.
* configure: Re-run autoconf to get new ../common/aclocal.m4.
* Makefile.in: Use autoconf substitution to install common
makefile fragment.
(SIM_{OBJS,EXTRA_LIBS,EXTRA_LIBDEPS,EXTRA_ALL,EXTRA_INSTALL}): Define.
(SIM_{EXTRA_CLEAN,EXTRA_CFLAGS}): Define.
* configure.in: Simplify using macros in ../common/aclocal.m4.
Call AC_CHECK_HEADERS(stdlib.h).
* configure: Regenerated.
* config.in: New file.
* func.c (sim_set_callbacks): Delete, moved to
* interf.c (sim_set_callbacks): here.
(sim_callback): New global.
Rewrite all calls to printf_filtered to go through callback.
(sim_size,sim_trace): New functions.
(sim_{insert,remove}_breakpoint): #if 0 out.
* sis.c: #include "config.h". #include <stdlib.h> if present.
(main): Coerce fprintf arg to INIT_DISASSEMBLE_INFO to fprintf_ftype.
* sis.h: #include "callback.h".
